CVE-2026-107508highCWE-22

CVE-2026-107508: high-severity vulnerability in Ultimate Multisite

Ultimate Multisite < 2.17.2 - Unauthenticated LFI via 'attributes' Parameter

Published

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

41Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 8.6epss 0.5%
The Ultimate Multisite WordPress plugin before 2.17.2 does not validate a user-supplied value used to select a file to include, allowing unauthenticated attackers to include and read arbitrary local files, including the WordPress configuration file.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.